Windows Media Player 11 SDK External.buy
Note This topic describes functionality designed for use by online stores. Use of this functionality outside the context of an online store is not supported.
The buy method initiates the purchase of a set of media items.
String that specifies the type of item to be purchased. The caller must set this parameter to one of the following library location constants:
String containing the IDs, delimited by semicolons, of the items to be purchased.
Version: Windows Media Player 11.
Library: Use wmp.dll.